hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

iommu/virtio: Add definitions for VIRTIO_IOMMU_F_BYPASS_CONFIG 

Add definitions for the VIRTIO_IOMMU_F_BYPASS_CONFIG, which supersedes
VIRTIO_IOMMU_F_BYPASS.

Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Link: https://lore.kernel.org/r/20211201173323.1045819-2-jean-philippe@linaro.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Jean-Philippe Brucker 2021-12-01 17:33:21 +00:00 committed by Joerg Roedel
parent 0fcfb00b28
commit 063ebb19d9
1 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
include/uapi/linux/virtio_iommu.h
View File

@ -16,6 +16,7 @@
#define VIRTIO_IOMMU_F_BYPASS 3 #define VIRTIO_IOMMU_F_BYPASS 3
#define VIRTIO_IOMMU_F_PROBE 4 #define VIRTIO_IOMMU_F_PROBE 4
#define VIRTIO_IOMMU_F_MMIO 5 #define VIRTIO_IOMMU_F_MMIO 5
#define VIRTIO_IOMMU_F_BYPASS_CONFIG 6
struct virtio_iommu_range_64 { struct virtio_iommu_range_64 {
__le64 start; __le64 start;
@ -36,6 +37,8 @@ struct virtio_iommu_config {
struct virtio_iommu_range_32 domain_range; struct virtio_iommu_range_32 domain_range;
/* Probe buffer size */ /* Probe buffer size */
__le32 probe_size; __le32 probe_size;
__u8 bypass;
__u8 reserved[3];
}; };
/* Request types */ /* Request types */
@ -66,11 +69,14 @@ struct virtio_iommu_req_tail {
__u8 reserved[3]; __u8 reserved[3];
}; };
#define VIRTIO_IOMMU_ATTACH_F_BYPASS (1 << 0)
struct virtio_iommu_req_attach { struct virtio_iommu_req_attach {
struct virtio_iommu_req_head head; struct virtio_iommu_req_head head;
__le32 domain; __le32 domain;
__le32 endpoint; __le32 endpoint;
__u8 reserved[8]; __le32 flags;
__u8 reserved[4];
struct virtio_iommu_req_tail tail; struct virtio_iommu_req_tail tail;
}; };